Knob



March 17. 1925. 1,530 298 Y. J. CHAMBLESS ET AL KNOB Filed Feb; 21, 1923 v v INVENTORS 41 ilzamiless 54" By flllilee IATTORNEY.

Patented Mar. 17, 1925.

UNITED STATES PATENT OFFICE.

YOUNG J". CHAMBLESS AND AMMIE L. LEE, OF PANAMA CITY, FLORIDA.

.KNOB.

Application filed February 21, 1923.

Z '0 all whom it may concern,-

Be it known that we, YOUNG J. CHAM- BLESS and AMMIE L. LEE, citizens of the United States, residing at Panama City, in the county, of Bay and State of Florida, have invented certain new and useful Improvements in Knobs, of which the follow ing is a specification, reference being had to the accompanying drawings.

This invention relates to certain new and useful improvements in knobs adapted for use in anchoring wires to the walls of buildings and has particular reference to the general improvement of the type of knob disclosed in United States Letters Patent No. 1,284.,7 99, issued November 12, 1918 to Lambert J. Sindelar.

An object of the invention is to provide a knob which may be substantially firmly attached to the wall of the building before the wires are secured thereto and which may be then completely fastened in a rigid position against the wall of the building so that the wires are effectively held attached to the knob, thus enabling the anchoring of the wires to be expeditiously carried out in a most advantageous manner.

A further object of the invention is to so construct the knob as to provide seat forming grooves for the wires arranged to permit practical anchoring of wires whether they extend either perpendicularly to the wall of the building or substantially parallel therewith.

With the above general objects in view, and others that will be come apparent as the nature of the invention is better understood, the same consists in the novel form, combination and arrangement of parts hereinafter more fully described, shown in the accompanying drawings and claimed.

In the drawings wherein like reference characters indicate corresponding parts throughout the several views Figure 1 is a front elevational view of a knob constructed in accordance with the present invention;

Figure 2 is a central longitudinal sectional view thereof taken on line 22 of Figure 1;

Figure 3 is a longitudinal sectional view taken on line 33 of Figure 2; and

Figure 4 is a rear elevational view of the knob shown in Figure 1.

Referring more in detail to the draiw ings the present invention embodies a sub- Serial No. 620,436.

stantially cylindrical knob generally denoted by the numeral 5 and provided in its periphery with one or more circumferentially extending grooves 6 forming substantially circular seats spaced inwardly from the peripheral face of the body for the reception of wires in case they extend parallel with the wall of the building. As shown, the knob is provided with a flat outer end and is reduced at its inner end to provide a central transverse rib 7 which extends from side to side of the body or block from which the knob is formed.

The rib 7 is provided with a flat inner face adapted to flatly engage the surface of the wall to which the knob is secured, and for facilitating the attachment of the knob to the wall it is provided with an axial opening 8 to receive the usual long screw which is threaded into the wall in the usual manner. The outer face of the knob is provided with a seat 9 for the head of this securing screw which seat consists merely in an enlargement of the opening 8 and which allows the head of the screw to lie flush with the front face of the knob.

The grooves 6 are preferably constructed with their inner side walls flat and radially disposed and with their outer side walls rounded as at 6. The body or block is further provided with spaced parallel grooves in its periphery at opposite sides of the rib 7 so as to form substantially U- shaped seats 10 opening out at the rear and side of the body. It will thus be seen that the opening 8 extends tlnougl'i the outer and inner el'ids of the block at a point intermediate the seals 10. It will also be seen that the seats 10 provide practical and con vcnient means for permitting the proper attachment of wires to the knob when said wires extend truly or substantially perpendicularly to the wall to which the present knob is anchored.

As the rib 7 will engage the wall of the building with the portions of the inner face of the block at opposite sides of said rib held spaced from the wall, the fastening screw for the knob may be firmly screwed into the wall prior to the engagement of the wires in the U-shaped seats 10. In this way the hands of the person installing the knob are free to then more tightly fasten the knob in place by operation of the screw because of the fact that he does not have to support or hold the wires at this time,

due to their previous attachment to the knob and the firm attachment of the latterto the Wall.

From the foregoing description it is believed that the construction'an'd operation as Well as the advantages of the present in- A wire anchoring knob ofthecharacter described oomprisingra body of-insulatin'g material cylindrical in general contour and formed axially with an opening for the passage of a securing element for mounting" the body upon a support, theinner end of the body being formed With spaced parallel transverse grooves defining a central rib and side flanges, said side flanges being cut away whereby to be spaced outward- 1y of the plane of the 'fa'ce' of tlie'rib, said body being formed with a plurality of longltudinally extending grooves in its periphery communicating with the ends of said first named grooves to define U-shaped channels for the reception of Wires and the body.

being further formed with a plurality of peripherial:grooves intersecting the longillLlGllHalgIOOVGSL v In testimony whereof We hereunto afiix our signatures.

. YOUNG'J. oHAMBLEss.

AMMIE L. LEE. 

